CN211621906U - Intercepting well - Google Patents
Intercepting well Download PDFInfo
- Publication number
- CN211621906U CN211621906U CN201922011395.6U CN201922011395U CN211621906U CN 211621906 U CN211621906 U CN 211621906U CN 201922011395 U CN201922011395 U CN 201922011395U CN 211621906 U CN211621906 U CN 211621906U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- well
- overflow
- intercepting
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model discloses an intercepting well, the inside of which is provided with a retaining wall, the retaining wall divides the intercepting well into an inner well and an outer well, the wall of the well of the inner logging is provided with a water inlet pipe and an intercepting pipe, and the wall of the well of the outer well is provided with a water outlet pipe; the retaining wall is provided with an overflow hole and a water drainage hole, the position of the overflow hole is higher than that of the water drainage hole, and the overflow hole is close to the top end of the retaining wall; the overflow aperture is provided with an intercepting member for intercepting suspended matter and/or floaters. Through the utility model discloses, can effectively raise the overflow liquid level of vatch basin, and then can effectively avoid or reduce the overflow and pollute in order to reduce the foreign river with the pipe network as storage measure.
Description
Technical Field
The utility model relates to a drainage pipe network technical field particularly, relates to a vatch basin.
Background
In a drainage pipe network system, the intercepting well can be used for intercepting drought sewage and partial initial rainwater. With the development of society, the water environment problem is increasingly prominent, and the vatch basin has the intercepting volume uncontrollable, the overflow pollution control effect is poor, influence flood-running section, do not have the problem of preventing flowing backwards. For example, the intercepting well is often coupled with a storage tank for water environment pollution control and waterlogging prevention, and when equipment failure or continuous rainfall in the storage tank causes insufficient storage capacity and the like, the intercepted sewage does not go in short time and finally overflows to natural water to pollute the environment; for another example, when the discharge port is submerged for outflow and the liquid level difference between the inside of the intercepting well and the normal water level of the external river is large, the intercepting well cannot meet the requirement of the liquid level difference, and the problem of reverse flow of river water may occur.
Aiming at the problems of uncontrollable intercepting flow, overflow pollution, backflow occurrence, no influence on flood-running section when the difference between internal and external liquid levels is large and the like of the existing intercepting well, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the utility model provides an embodiment provides an intercepting well to solve the problem that intercepting well overflow pollutes among the prior art at least.
In order to solve the technical problem, the utility model provides an intercepting well, the inside of which is provided with a retaining wall, the retaining wall divides the intercepting well into an inner well and an outer well, the wall of the well of the inner logging is provided with a water inlet pipe and an intercepting pipe, and the wall of the well of the outer well is provided with a water outlet pipe; the retaining wall is provided with an overflow hole and a water drainage hole, the position of the overflow hole is higher than that of the water drainage hole, and the overflow hole is close to the top end of the retaining wall; the overflow aperture is provided with an intercepting member for intercepting suspended matter and/or floaters.
Optionally, the overflow hole is provided with an overflow regulating device, and the overflow regulating device is used for raising the overflow liquid level or plugging the overflow hole.
Optionally, the overflow regulating device is a floating adjustable weir disposed at the effluent side of the overflow aperture; when the water level of the outer well is lower than the floating type adjustable weir, the floating type adjustable weir is in the maximum opening position; when the water level of the outer well is higher than the floating type adjustable weir, the floating type adjustable weir raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy.
Optionally, the retaining wall is provided with a drainage hole, the drainage hole is provided with a drainage regulating device, and the drainage regulating device is used for flood discharge or blocking the drainage hole.
Optionally, the drainage regulating and controlling device is specifically configured to plug the drainage hole if the first liquid level data does not reach a preset highest water blocking level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked.
Optionally, the inner well is provided with a first liquid level gauge and the outer well is provided with a second liquid level gauge; the first liquid level meter is used for detecting the first liquid level data, and the second liquid level meter is used for detecting the second liquid level data.
Optionally, the intercepting well is further provided with a control device, and first communication connections are respectively established between the control device and the first liquid level meter and between the control device and the second liquid level meter; a second communication connection is established between the control device and the water discharge regulation and control device;
the control device is used for acquiring the first liquid level data and the second liquid level data through the first communication connection, and if the first liquid level data does not reach the preset highest water blocking level, no control information is generated, so that the water drainage regulating and controlling device blocks the water drainage hole; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, generating first control information, and sending the first control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to be opened for flood drainage; and if the second liquid level data is higher than the first liquid level data, generating second control information, and sending the second control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to plug the water drainage hole.
Optionally, the intercepting well is further provided with a rain gauge; a third communication connection is established between the controller and the rain gauge; the rain gauge is used for detecting rainfall data; the controller is used for acquiring the rainfall data through the third communication connection, generating third control information according to the rainfall data in the flood discharge process, and sending the third control information to the drainage regulation and control device through the second communication connection so as to adjust the opening degree of the drainage regulation and control device.
Optionally, the shutoff pipe is provided with a flow regulating gate for controlling the shutoff amount.
Optionally, a fourth communication connection is established between the controller and the current regulating brake; the controller is further configured to generate fourth control information according to the first liquid level data, and send the fourth control information to the flow regulating gate through the fourth communication connection, so as to control the opening degree of the flow regulating gate and control the flow shutoff amount.
Use the technical scheme of the utility model, through set up the barricade in the vatch basin to through closing on the overflow hole on barricade top, thereby can effectively raise the overflow liquid level of vatch basin, and then can regard the pipe network as storage measure, effectively avoid or reduce the overflow and pollute in order to reduce the river.
Drawings
Fig. 1 is a front view of an intelligent intercepting well according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view taken along line B-B of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
As shown in fig. 1-3, the embodiment of the utility model provides an intelligent vatch basin, wherein the inside barricade 4 that comprises the concrete that sets up of vatch basin, barricade 4 replace the fixed weir of traditional vatch basin, and the height of fixed weir is the same with the overflow height of predetermineeing in the traditional vatch basin, the utility model discloses the embodiment of barricade 4 highly can set up with the lateral wall height all around of vatch basin the same, utilizes barricade 4 to divide into inboard well and outside well with whole vatch basin. The water inlet pipe 1 and the intercepting pipe 2 are arranged on the well wall of the inner well, and the water outlet pipe 3 is arranged on the well wall of the outer well; the overflow aperture is provided with an intercepting member for intercepting suspended matter and/or floaters.
The embodiment of the utility model provides a through set up the barricade in the vatch basin to through closing on the overflow hole on barricade top, thereby can effectively raise the overflow liquid level of vatch basin, and then can regard the pipe network as storage measure, effectively avoid or reduce the overflow and pollute in order to reduce the foreign river.
In some embodiments, a flow regulating brake is arranged on the inner side wall in front of the intercepting pipe 2, the flow regulating brake can be an electronic control flow regulating brake 5, and the flow regulating brake is used for controlling the intercepting amount and can realize the intercepting amount control according to the liquid level in the inner side of the intercepting well. The higher the liquid level at the inner side is, the smaller the opening degree of the flow regulating brake is, so that the flow stopping amount is kept constant by keeping the flow stopping amount at a preset flow.
In some embodiments, an overflow hole 6 is reserved on the retaining wall 4, and the overflow hole 6 is close to the top of the retaining wall 4. Wherein, overflow hole 6 is close to the top of barricade 4 to through raising the overflow liquid level, and then as far as possible with the pipe network as the storage measure, avoid as far as possible or overflow in order to reduce the river pollution less.
Optionally, the overflow hole sets up the flood level position that corresponds at the flood control standard to can make when the regulation pond of coupling is full or the sewage that dams does not have the department, utilize vatch basin and upstream pipe network surplus space regulation and storage, the time of overflow appears in the extension, thereby reduce the overflow frequency, and then reduce overflow pollution. When the difference between the flood level at the discharge port and the elevation of the discharge port is not large, the elevation of the bottom of the overflow hole can be higher than the flood level, and the backflow can be prevented without arranging a floating adjustable weir at the moment. On the contrary, a floating adjustable weir can be arranged to prevent backflow.
Wherein, 6 play water sides in overflow hole can set up overflow regulation and control device, and overflow regulation and control device is used for raising the overflow liquid level to reduce the overflow frequency, and can be totally with overflow hole shutoff, in order to prevent that river water from flowing backward.
Optionally, the overflow regulating and controlling device selects a floating adjustable weir 8, the floating adjustable weir 8 is arranged at the water outlet side of the overflow hole, and when the water level of the outer well is lower than the floating adjustable weir, the floating adjustable weir 8 is at the maximum opening position; when the water level of the outer well is higher than the floating type adjustable weir, the floating type adjustable weir 8 raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy. That is, it is fully open during periods of non-rainfall or early periods of rainfall (the water level in the outside well is below the floating adjustable weir). When the liquid level inside exceeds the overflow hole, the water can be drained through the overflow of the opened floating adjustable weir. Meanwhile, because the floating adjustable weir is installed on the upper part of the retaining wall, and when the water level of the lateral well is higher than the floating adjustable weir, the overflow liquid level can be raised through buoyancy, and the overflow frequency is reduced. When the water level of the external river rises, and the liquid level at the outer side rises, the floating adjustable weir can rise along with the rising of the external liquid level, so that the safety of the inner side of the intercepting well is ensured, and the river water is prevented from flowing backwards.
In some embodiments, the intercepting part can be selected as a horizontal grid, that is, a manual/self-cleaning horizontal grid can be optionally provided at the water inlet side of the overflow hole. The grating is used for intercepting suspended matters and/or floating objects, so that the suspended matters and the floating objects in the water can be intercepted, and the suspended matters and the floating objects are prevented from entering the receiving water body.
In some embodiments, a drain hole 7 is reserved on one side of the retaining wall 4 adjacent to the bottom. And a water drainage regulating device is arranged on the water drainage hole 7 and is used for flood discharge or plugging the water drainage hole. Optionally, the bleed water regulation means is selected as a hydraulically operated rotating weir gate 9.
Optionally, the drainage regulating and controlling device is specifically configured to plug the drainage hole if the first liquid level data does not reach a preset highest water blocking level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked. Thereby not only ensuring flood discharge, but also preventing river water from flowing backwards and ensuring the safe operation of the inner side of the intercepting well.
That is to say, when inboard liquid level continuously risees, the overflow opening can't satisfy the flood discharge requirement, and rotatory weir door 9 that surges can all open guarantees the flood discharge section, and inboard accessible discharge opening is drainage at once. When the water level of the external river continuously rises, the liquid level of the external side continuously rises, and when the liquid level of the external side is higher than the liquid level of the internal side, the hydraulic rotary weir gate is in a closed state at the moment, the operation safety of the inner side of the intercepting well is ensured, and the river water is prevented from flowing backwards.
In some embodiments, the vatch well is equipped with liquid level meters (10, 12), rain gauges 11, and the like. The liquid level meters consist of a first liquid level meter 10 for measuring first liquid level data and a second liquid level meter 12 for measuring second liquid level data. Optionally, the electronic control damper adjusts the opening degree according to the first liquid level data fed back by the first liquid level meter 10, and the hydraulic rotary weir gate opens and closes according to the second liquid level data fed back by the second liquid level meter 12 and/or according to the rainfall data fed back by the rain gauge 11.
Optionally, in the early stage of fine days or rainfall, when dry-run sewage or initial rainwater is discharged, the floating adjustable weir is completely opened, the hydraulic rotary weir gate is closed, and sewage flows from the water inlet pipe to the intercepting pipe, then enters the sewage intercepting pipe network or the storage tank, and finally enters the sewage treatment plant.
When raining continuously, the flow of the water inlet pipe is increased, the liquid level in the intercepting well rises, when the liquid level rises to the lowest point of the overflow hole, the water on the inner side overflows to the outer side through the opened floating type adjustable weir, and then the water flows through the water discharge pipe and finally drains into the river.
When rainfall intensity lasts the increase, the vatch basin liquid level rises rapidly, when inboard liquid level surpassed and set for the highest water level that blocks, the rotatory weir gate that surges will open, inboard water carries out the flood through rotatory weir gate and the outlet of surging, and floating adjustable weir utilizes self gravity and buoyancy to adjust by oneself according to inside and outside liquid level, and outside water is the river drainage through the drain pipe all the time.
When the measured liquid level reaches the bottom of the overflow hole, the floating type adjustable weir rises along with the rise of the liquid level at the outer side, so that the safety of the inner side of the intercepting well is ensured; when the rainfall is over, the liquid level in the intercepting well is reduced, and when the liquid level in the intercepting well is reduced to a set value, the hydraulic rotary weir gate is closed.
When the intercepted sewage is short-term and has no direction due to the conditions of equipment failure in the storage tank or insufficient storage capacity caused by continuous rainfall and the like, the liquid level in the intercepting well rises, when the liquid level rises to the lowest point of the overflow hole, the overflow liquid level is raised, and the pipe network is used as a short-term storage measure and does not overflow as much as possible; if the liquid level in the inner side continuously rises, the water in the inner side overflows to the outer side through the opened floating type adjustable weir, then passes through the drain pipe and finally drains into the river, the overflow amount and the overflow frequency are reduced, and the pollution of the outer river is reduced.
In some embodiments, the intercepting well is further provided with a control device, and the control device is respectively provided with a first communication connection with the first liquid level meter and the second liquid level meter; a second communication connection is established between the control device and the water discharge regulation and control device;
the control device is used for acquiring the first liquid level data and the second liquid level data through the first communication connection, and if the first liquid level data does not reach the preset highest water blocking level, no control information is generated, so that the water drainage regulating and controlling device blocks the water drainage hole; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, generating first control information, and sending the first control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to be opened for flood drainage; and if the second liquid level data is higher than the first liquid level data, generating second control information, and sending the second control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to plug the water drainage hole. Therefore, interception control of the intercepting well is more intelligent and reliable, the intelligent degree is high, each intercepting well becomes an intelligent terminal, and system operation, remote control and row-row joint debugging can be realized. Wherein the control device may be disposed in a control cabinet external to the vatch well. The control device may be a controller, which may include a memory and a processor; the memory may store the first level data, the second level data, and the rainfall data described below, and the controller may perform the above-described operations of generating and transmitting control information.
Optionally, the intercepting well is further provided with a rain gauge; a third communication connection is established between the controller and the rain gauge; the rain gauge is used for detecting rainfall data; the controller is used for acquiring the rainfall data through the third communication connection, generating third control information according to the rainfall data in the flood-running process, and sending the third control information to the water drainage regulation and control device through the second communication connection so as to open or close the water drainage regulation and control device, so that the flood-running section can be intelligently adjusted, and the safety of the inner part of the intercepting well is further ensured.
Optionally, a third communication connection is established between the controller and the flow regulating brake; the controller is further configured to generate second control information according to the first liquid level data, and send the second control information to the flow regulating gate through the third communication connection, so as to control the opening degree of the flow regulating gate, so that the flow regulating gate controls the flow intercepting amount. In the process, the electric control flow regulating gate is always opened, the higher the liquid level at the inner side is, the smaller the opening degree of the electric control flow regulating gate is, so that the intercepting flow is kept constant and controllable, the intercepting flow does not change along with the water quantity in the well, and the set value is adjustable.
In some embodiments, when the elevation of the sewage pipeline is higher after the catch basin, a submersible sewage pump can be installed in the catch basin to assist the sewage lifting pump station in draining; when the intensity of rainstorm is great, and the higher unable gravity of river course water level discharges, can make up with the pump station, supplementary rainwater promotes the pump station drainage.
The floating adjustable weir and the hydraulic rotary weir gate have good sealing performance, and can directly discharge sewage and prevent external water from flowing backwards; the flood-running section is not shielded. The communication connections may be wired or wireless connections, and are usually wired connections. The control information may be a control signal.
The embodiment of the utility model provides a vatch basin is through increasing intelligent control equipment to realize that the volume of damming is controllable, control overflow pollutes, prevent flowing backward and can satisfy the great requirement of interior outer liquid level difference and do not influence the section of traveling floodwaters simultaneously.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is protected by the following claims.
Claims (9)
1. The intercepting well is characterized in that a retaining wall is arranged inside the intercepting well, the retaining wall divides the intercepting well into an inner side well and an outer side well, a water inlet pipe and an intercepting pipe are arranged on the wall of the inner side well, and a water outlet pipe is arranged on the wall of the outer side well; the retaining wall is provided with an overflow hole and a water drainage hole, the position of the overflow hole is higher than that of the water drainage hole, and the overflow hole is close to the top end of the retaining wall; the overflow holes are provided with intercepting components for intercepting suspended matters and/or floating matters;
the overflow hole is provided with an overflow regulating device which is used for raising the overflow liquid level or plugging the overflow hole.
2. The vatch shaft of claim 1, wherein said overflow regulating device is a floating adjustable weir disposed on an effluent side of said overflow aperture; when the water level of the outer well is lower than the floating type adjustable weir, the floating type adjustable weir is in the maximum opening position; when the water level of the outer well is higher than the floating type adjustable weir, the floating type adjustable weir raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy.
3. The vatch basin according to claim 2, wherein the drainage hole is provided with a drainage regulating device for flooding or plugging the drainage hole.
4. The vatch shaft of claim 3, wherein the inner well is provided with a first level gauge and the outer well is provided with a second level gauge; the first liquid level meter is used for detecting first liquid level data, and the second liquid level meter is used for detecting second liquid level data.
5. The intercepting well according to claim 4, wherein the drainage regulating device is specifically configured to block the drainage hole if the first liquid level data does not reach a preset highest water interception level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked.
6. The vatch shaft as claimed in claim 5, wherein the vatch shaft is further provided with a control device, and the control device establishes a first communication connection with the first liquid level meter and the second liquid level meter respectively; and a second communication connection is established between the control device and the water drainage regulating and controlling device.
7. The vatch shaft of claim 6, wherein the vatch shaft is further provided with a rain gauge; a third communication connection is established between the control device and the rain gauge; the rain gauge is used for detecting rain data.
8. The intercepting well according to claim 6, wherein the intercepting pipe is provided with a flow regulating gate for controlling an intercepting amount.
9. The vatch shaft of claim 8, wherein a fourth communication connection is established between the control device and the damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011395.6U CN211621906U (en) | 2019-11-20 | 2019-11-20 | Intercepting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011395.6U CN211621906U (en) | 2019-11-20 | 2019-11-20 | Intercepting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211621906U true CN211621906U (en) | 2020-10-02 |
Family
ID=72626050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922011395.6U Active CN211621906U (en) | 2019-11-20 | 2019-11-20 | Intercepting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211621906U (en) |
-
2019
- 2019-11-20 CN CN201922011395.6U patent/CN211621906U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110820906A (en) | Intercepting well | |
| CN105888041B (en) | A kind of Vatch basin water discharge control method | |
| CN105064494A (en) | Rainwater closure system | |
| CN104612237B (en) | Rainfall flood regulating system | |
| KR101146131B1 (en) | Using buoyancy for automatic closing pide door devices and method of control | |
| CN205421517U (en) | Prevent flowing backward wisdom vatch basin with block sediment and automatically controlled current limiting function | |
| KR102078721B1 (en) | Automatic rain water control system that can transmit flow and water quality data | |
| KR101258565B1 (en) | Apparatus for controlling rainwater inflow mounted to storm overflow chamber | |
| JP2022002548A (en) | Field drain plug and field water storage management system | |
| CN204781294U (en) | Rainwater system of damming | |
| US6997644B2 (en) | Passive method for obtaining controlled drainage from a vessel | |
| KR100447049B1 (en) | System for controlling Regulators | |
| CN211621906U (en) | Intercepting well | |
| CN113187079A (en) | Novel high-precision integrated intelligent intercepting lift well | |
| KR20110013678A (en) | A prevention apparatus of rain inflow for storm overflow chamber | |
| CN205475660U (en) | Novel vatch basin | |
| JP2012072622A (en) | Rainwater management system, and operation method and management method therefor | |
| CN207436193U (en) | A kind of pipeline is regulated and stored system | |
| CN208363234U (en) | Overflow well with float flashboards for controlling flow of closure pipeline | |
| CN218597310U (en) | Intelligent intercepting well with flow regulating and backflow preventing functions | |
| CN205421516U (en) | Prevent flowing backward wisdom vatch basin with block sediment and unpowered current limiting function | |
| CN212641711U (en) | Prevent flowing backward rainwater box culvert and cut dirty pump station | |
| CN211172343U (en) | Fish belly type adjustable weir | |
| JP3976605B2 (en) | Flow control method in combined sewer system | |
| JP3550000B2 (en) | Flood control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210331 Address after: Room 107, building a, Lugu science and technology innovation and entrepreneurship Park, 1698 Lugu West Avenue, Changsha hi tech Development Zone, Hunan 410200 Patentee after: Hunan Qingyuan Huajian Environmental Technology Co.,Ltd. Address before: 100081 4th floor, block a, 48 Zhongguancun South Street, Haidian District, Beijing Patentee before: BEIJING AQUAROOT ENVIRONMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intercepting well Effective date of registration: 20221227 Granted publication date: 20201002 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: Hunan Qingyuan Huajian Environmental Technology Co.,Ltd. Registration number: Y2022980028667 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |